The Quito Botanical Garden in Parque Carolina continues to yield unusual boreal migrants, offering temporary refuge to birds on their way to the eastern slope and lowlands. Last year, a Great Crested Flycatcher spent the entire winter in the garden; more recently this week a Northern Waterthrush was recorded by Roger Ahlman, who's been visiting the garden regularly and making some surprising observations. I stopped by for a few hours one morning to try for the Northern Waterthrush, and while I missed it, I still noted a handful of migrants myself, including the Yellow Warbler, Swainson's Thrush, Summer Tanager, and perhaps Alder or Willow Flycatcher. Activity was particularly high in the wooded area just behind the pond at the entrance to the park.Notable birds seen: Black-Tailed Trainbearer, Southern Beardless Tyrannulet, Yellow Warbler, Swainson's Thrush, Black Flowerpiercer, Masked Flowerpiercer, Rusty Flowerpiercer, Cinerous Conebill, Scrub Tanager, Summer Tanager, Southern Yellow Grosbeak.